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kimdung1978
2 năm trước
Câu 1: Xác định chất oxi hóa, chất khử, quá trình oxi hóa, quá trình khử và cân bằng phản ứng theo phương pháp thăng bằng electron? 5) M + HNO3 → M(NO3)x + NH4NO3 + H2O 6) Cu2S + HNO3 → Cu(NO3)2 + H2SO4 + NO + H2 Ghi rõ ra giúp mình với nhé, cảm ơn mn nhiều
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